MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous external links, with some pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The presence of many unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://zbraneklapka.cz/ckfinder/userfiles/files/80750284536.pdf In PDF document text
- http://abwcolley.com/uploads/files/jexulogosaxit.pdfIn PDF document text
- https://www.afoa.org.ar/backend/ckfinder/userfiles/files/20883502866.pdfIn PDF document text
- https://chaletsuenodesol.de/files/27276631753.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613b103ec78ce---duboxuximone.pdfIn PDF document text
- http://directopinion.biz/uploads/FCK_files/file/sudageduxenemawoxogunixak.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/lubexudagedofeme.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/vefivenoxafatu.pdfIn PDF document text
- https://inprovitcentroamerica.com/ckfinder/userfiles/files/vaviful.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/vajadigafeteso.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/kususefufazefel.pdfIn PDF document text
- http://pecsimutargygaleria.hu/files/file/kajidasomafo.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/53288049608.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c056c5094---lojogunebil.pdfIn PDF document text
- http://kaiyudachem.com/filespath/files/20210920050506.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/8e2cb08d22d3cfb1a80eea79dfe84f7e/kutixil.pdfIn PDF document text
- http://bandbaajabarat.com/ci/userfiles/files/kenutipezasukol.pdfIn PDF document text
- https://biorenta.lt/ckfinder/userfiles/files/16411925187.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/kejusaredadu.pdfIn PDF document text
- https://chulintemple.house-well.com/CKEdit/upload/files/68117487052.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/nizewigorife.pdfIn PDF document text
- http://855solution.com/htdocs/cljr/data/files/gonobujofudedodamo.pdfIn PDF document text
- https://penzion-palice.cz/content/69213860213.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=new+testament+timeline+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD6 | 17664 bytes |
SHA-256: 08647d3d20172023ddcba7ba70a13cb6edf993712a215c3a502fa700d429a9a4 |
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font_01_sfnt_off00010b70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12387 | 10500 bytes |
SHA-256: de53645ddcd69e9689f64cf28e523f8ec63eebfcd766b0a3052382919456f698 |
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